-- Absorbing countable sets: countable unions, the absorption theorem for a -- group action, the rational rotations turn(t) about the z-axis, their -- membership in SO3, the countability of the parameters t at which turn(t) -- has finite order, and the separation of a countable subset of the -- sphere from itself by some turn(t) -- Part of Cumulus, the Grace17 mathematics library. -- Copyright (c) 2026 Grant Passmore. -- Released under the Apache License 2.0. See LICENSE in the repository root. -- Authors: Grant Passmore module Grace.Cumulus.Geometry.Absorption import Absorption.CountableUnion import Absorption.Absorb import Absorption.Triples import Absorption.Turn import Absorption.Roots import Absorption.Order import Absorption.TurnRotation import Absorption.Separation import Absorption.Sphere import Absorption.Pieces import Absorption.Final